# Vitamin D Can Increase Pathological Response of the Breast Cancer Patients Treated With Neoadjuvant Therapy

> **NCT03986268** · NA · COMPLETED · sponsor: **Florence Nightingale Hospital, Istanbul** · enrollment: 64 (actual)

## Conditions studied

- Vitamin D Deficiency
- Chemotherapy Effect
- Pathology

## Interventions

- **DRUG:** Vit D

## Key facts

- **NCT ID:** NCT03986268
- **Lead sponsor:** Florence Nightingale Hospital, Istanbul
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-05-10
- **Primary completion:** 2020-12-10
- **Final completion:** 2020-12-10
- **Target enrollment:** 64 (ACTUAL)
- **Last updated:** 2024-02-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03986268

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03986268, "Vitamin D Can Increase Pathological Response of the Breast Cancer Patients Treated With Neoadjuvant Therapy". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03986268. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*